Shoe upper



FIG. 1 is a left side elevational view of a shoe upper with a broken line showing of a shoe sole being for environmental purposes only;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a shoe upper, as shown and described. 